HELP MATH PLZ
2007-10-15 11:37:29 · 8 answers · asked by cherrysky 2 in Science & Mathematics ➔ Mathematics
y=-3
2007-10-15 11:40:13 · answer #1 · answered by Anonymous 2 · 0⤊ 0⤋
-21y=63
y=63 divided by 21=3 because when u take 21 to the other side it becomes 63 divided by plus 21.
so answer is 3..i am perfectly sure
2007-10-15 19:44:24 · answer #2 · answered by se 1 · 0⤊ 0⤋
divide 63 by -21 and you get the answer.
-21y=63/:(-21)
y= -3
2007-10-15 18:41:19 · answer #3 · answered by Questions 1 · 0⤊ 0⤋
y = - 63 / 21 = - 3
2007-10-15 18:41:07 · answer #4 · answered by CPUcate 6 · 0⤊ 0⤋
y = - 3
Check
- 21 x - 3 = 63
2007-10-16 06:42:39 · answer #5 · answered by Como 7 · 0⤊ 0⤋
63/21=3
y=3
Or
63/21-=3-
y=3-
2007-10-15 18:42:29 · answer #6 · answered by drsheikh29 2 · 0⤊ 0⤋
-3
2007-10-15 18:43:31 · answer #7 · answered by Anonymous · 0⤊ 0⤋
-21y=63
divide both sides by -21...ur ansr will be -3=y
2007-10-15 18:42:00 · answer #8 · answered by K R 2 · 0⤊ 0⤋